#include "apue.h"
#include <setjmp.h>
static void f1(int, int, int, int);
static void f2(void);

static jmp_buf jmpbuffer;
static int globval;

int main(void) {
	int autoval;
	register int regival;
	volatile int volaval;
	static int statval;
	globval = 1; autoval = 2; regival = 3; volaval = 4; statval = 5;

	if (setjmp(jmpbuffer) != 0) {
		printf("afer longjmp:\n");
		printf("globval = %d, autoval = %d, regival = %d, volaval = %d, statval = %d\n",
			globval, autoval, regival, volaval, statval);
		exit(0);
	}
	globval = 95; autoval = 96; regival = 97; volaval = 98; statval = 99;
	f1(autoval, regival, volaval, statval);
	exit(0);
}

static void f1(int i, int j, int k, int l) {
	printf("in f1():\n");
		printf("globval = %d, autoval = %d, regival = %d, volaval = %d, statval = %d\n",
			globval, i, j, k, l);
		f2();
}

static void f2(void) {
	longjmp(jmpbuffer, 1);
}
	
		
